21. The best word we may use to describe the weather in Britain is _____ (change).

22. Bob, together with his wife and two children, _____ (be) to arrive in Beijing at 5:00

     this afternoon.

23. He escaped _____ (send) to prison, and received a fine of $10000 instead.

24. Do you mind _____ (answer) my questions, Professor Smith? 

25. The temperature is expected to dip to the ______ (freeze) point tomorrow night.

26. The weatherman says that there is a cold front from Canada _____ (move) down through the western states.

27. The current _____ (globe) situation is favorable to us.

28. Viruses can reach your computer in _____ (vary) ways.

29. We often think the opportunities for people _____ (meet) outside depend a lot on

      the weather.

30. Sometimes we wonder why British people spend so much time _____ (discuss)

     the weather.

By gyh